At 01:56 AM 9/17/01, Chuck Larrieu wrote:
>without repeating my private response to your private mail,
Please do repeat it!? ;-)
Seriously, is the BSCN statement wrong??
"bcause the point-to-multipoint mode treats the network as a
collection of point-to-point links, multicast hello packets discover
neighbors dynamically, and statically configuring neighbors is not
required."
Priscilla
>on NMBA
>networks, one usually configures OSPF neighbors. The whole NMBA issue is
>complex. There is the frame relay configuration, and then there is the OSPF
>configuration on top of that. You can have point to multipoint frame relay
>interfaces connected to physical, or point-to-point interfaces on the
>distant end. Inverse arp maps a remote IP address to the associated other
>side dlci.
>
>-----Original Message-----
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
>Alex Lee
>Sent: Sunday, September 16, 2001 7:05 PM
>To: [EMAIL PROTECTED]
>Subject: Re: OSPF packets, point-to-multipoint [7:20115]
>
>
>Still do not understand,
>
>Building Scalable Cisco Networks, CiscoPress, page 123
>".... However,bcause the point-to-multipoint mode treats the network as a
>collection of point-to-point links, multicast hello packets discover
>neighbors dynamically, and statically configuring neighbors is not
>required."
>
>Routing TCP/IP, Vol. 1, page 433
>"On broadcast and point-to-point network types, hellos are multicast to
>AllSPFRouters (224.0.0.5). On NBMA, point-to-multipoint, and virtual link
>network types, hello are unicast to individual neighbors. The implication of
>unicasting is that router must first learn of the existence of its neighbors
>either through manual configuration or an underlying mechanism such as
>Inverse ARP."
>
>What have I missed ?
________________________
Priscilla Oppenheimer
http://www.priscilla.com
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=20193&t=20115
--------------------------------------------------
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
